EP2207993A4 - Led illumination system - Google Patents

Led illumination system

Info

Publication number
EP2207993A4
EP2207993A4 EP08847289.9A EP08847289A EP2207993A4 EP 2207993 A4 EP2207993 A4 EP 2207993A4 EP 08847289 A EP08847289 A EP 08847289A EP 2207993 A4 EP2207993 A4 EP 2207993A4
Authority
EP
European Patent Office
Prior art keywords
illumination system
led illumination
led
system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08847289.9A
Other languages
German (de)
French (fr)
Other versions
EP2207993A1 (en
Inventor
Thomas J Brukilacchio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innovations In Optics Inc
Original Assignee
Innovations In Optics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US98656507P priority Critical
Application filed by Innovations In Optics Inc filed Critical Innovations In Optics Inc
Priority to PCT/US2008/012104 priority patent/WO2009061352A1/en
Publication of EP2207993A1 publication Critical patent/EP2207993A1/en
Publication of EP2207993A4 publication Critical patent/EP2207993A4/en
Application status is Withdrawn legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003Lens or lenticular sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085Means for removing heat created by the light source from the package
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086Positioning aspects
    • G02B6/009Positioning aspects of the light source in the package
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046Tapered light guide, e.g. wedge-shaped light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/0001Light guides specially adapted for lighting devices or systems
    • G02B6/0011Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066Light guides specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0073Light emitting diode [LED]
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504Diffusing, scattering, diffracting elements
    • G02F2001/133507Luminance enhancement films
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F2001/133628Illuminating devices with cooling means
EP08847289.9A 2007-11-08 2008-10-24 Led illumination system Withdrawn EP2207993A4 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US98656507P true 2007-11-08 2007-11-08
PCT/US2008/012104 WO2009061352A1 (en) 2007-11-08 2008-10-24 Led illumination system

Publications (2)

Publication Number Publication Date
EP2207993A1 EP2207993A1 (en) 2010-07-21
EP2207993A4 true EP2207993A4 (en) 2013-09-04

Family

ID=40623518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08847289.9A Withdrawn EP2207993A4 (en) 2007-11-08 2008-10-24 Led illumination system

Country Status (3)

Country Link
US (1) US8746943B2 (en)
EP (1) EP2207993A4 (en)
WO (1) WO2009061352A1 (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7846391B2 (en) * 2006-05-22 2010-12-07 Lumencor, Inc. Bioanalytical instrumentation using a light source subsystem
US8098375B2 (en) 2007-08-06 2012-01-17 Lumencor, Inc. Light emitting diode illumination system
AU2009296696B2 (en) * 2008-09-24 2013-03-14 Code 3, Inc. Light bar
US8269244B2 (en) 2010-06-28 2012-09-18 Cree, Inc. LED package with efficient, isolated thermal path
US9111778B2 (en) * 2009-06-05 2015-08-18 Cree, Inc. Light emitting diode (LED) devices, systems, and methods
US8598602B2 (en) 2009-01-12 2013-12-03 Cree, Inc. Light emitting device packages with improved heat transfer
US8648359B2 (en) 2010-06-28 2014-02-11 Cree, Inc. Light emitting devices and methods
US8242462B2 (en) * 2009-01-23 2012-08-14 Lumencor, Inc. Lighting design of high quality biomedical devices
US7923739B2 (en) 2009-06-05 2011-04-12 Cree, Inc. Solid state lighting device
US8860043B2 (en) * 2009-06-05 2014-10-14 Cree, Inc. Light emitting device packages, systems and methods
US8686445B1 (en) 2009-06-05 2014-04-01 Cree, Inc. Solid state lighting devices and methods
US8610140B2 (en) 2010-12-15 2013-12-17 Cree, Inc. Light emitting diode (LED) packages, systems, devices and related methods
US8278841B2 (en) * 2009-07-02 2012-10-02 Innovations In Optics, Inc. Light emitting diode light engine
US9795957B2 (en) 2009-08-16 2017-10-24 G-Con Manufacturing, Inc. Modular, self-contained, mobile clean room
DK2464913T3 (en) 2009-08-16 2018-05-22 G Con Mfg Inc Modular, self-standard, mobile cleaning room
US20110140992A1 (en) * 2009-12-16 2011-06-16 Isign Display Systems Llc (Hangzhou) LED display
USD643819S1 (en) 2010-07-16 2011-08-23 Cree, Inc. Package for light emitting diode (LED) lighting
US8403527B2 (en) 2010-10-26 2013-03-26 Thomas J. Brukilacchio Light emitting diode projector
US20120192486A1 (en) * 2010-11-12 2012-08-02 Illumitex, Inc. Light-emitting diode (led) light bar
US8434924B1 (en) * 2010-11-18 2013-05-07 Google Inc. White light source using two colored LEDs and phosphor
USD679842S1 (en) 2011-01-03 2013-04-09 Cree, Inc. High brightness LED package
US8389957B2 (en) 2011-01-14 2013-03-05 Lumencor, Inc. System and method for metered dosage illumination in a bioanalysis or other system
US8466436B2 (en) 2011-01-14 2013-06-18 Lumencor, Inc. System and method for metered dosage illumination in a bioanalysis or other system
TW201251140A (en) 2011-01-31 2012-12-16 Cree Inc High brightness light emitting diode (LED) packages, systems and methods with improved resin filling and high adhesion
US20130099263A1 (en) * 2011-10-20 2013-04-25 Gregory Lee Heacock Full spectrum led light source
US8967811B2 (en) 2012-01-20 2015-03-03 Lumencor, Inc. Solid state continuous white light source
ITMI20120605A1 (en) * 2012-04-13 2013-10-14 Artemide Spa A lighting device LED, in particular spotlight catadioptric
US9217561B2 (en) 2012-06-15 2015-12-22 Lumencor, Inc. Solid state light source for photocuring
KR20140006203A (en) * 2012-06-27 2014-01-16 삼성디스플레이 주식회사 Display device
JP2014205411A (en) * 2013-04-12 2014-10-30 パナソニック株式会社 Illumination device
USD742270S1 (en) 2013-06-12 2015-11-03 Code 3, Inc. Single level low-profile light bar with optional speaker
USD742269S1 (en) 2013-06-12 2015-11-03 Code 3, Inc. Dual level low-profile light bar with optional speaker
USD748598S1 (en) 2013-06-12 2016-02-02 Code 3, Inc. Speaker for a light bar
WO2014209702A1 (en) 2013-06-28 2014-12-31 Innovations In Optics, Inc. Light emitting diode linear light with uniform far field
WO2015057722A1 (en) 2013-10-14 2015-04-23 G-Con Manufacturing Inc. Unit for connecting modular mobile rooms
CN105899986B (en) 2014-01-08 2018-04-24 飞利浦照明控股有限公司 Blend of colors for high-brightness LED source exports
KR20150092924A (en) * 2014-02-06 2015-08-17 삼성전자주식회사 Light emitting diode array and display apparatus
EP3118843A1 (en) 2015-07-17 2017-01-18 Goodrich Lighting Systems GmbH Aircraft interior light unit and method of operating an aircraft interior light unit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365962A (en) * 2000-08-01 2002-02-27 Visteon Global Tech Inc Collimating lamp with light pipes
JP2005123675A (en) * 2003-10-14 2005-05-12 Mitsubishi Electric Corp Illumination optical system of image reader
DE10353760A1 (en) * 2003-11-17 2005-06-23 Siemens Ag Display device, especially for use on flat visual display screens, has common elongated lens arranged after light sources in emitted light path to focus light from each source transversely with respect to lens's longitudinal axis
US20050243570A1 (en) * 2004-04-23 2005-11-03 Chaves Julio C Optical manifold for light-emitting diodes
WO2006033030A1 (en) * 2004-09-24 2006-03-30 Koninklijke Philips Electronics N.V. Illumination system
WO2006033029A1 (en) * 2004-09-24 2006-03-30 Koninklijke Philips Electronics N.V. Illumination system

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367519A (en) * 1980-05-15 1983-01-04 Science Applications, Inc. Vessel navigation lights
GB2198867A (en) * 1986-12-17 1988-06-22 Philips Electronic Associated A liquid crystal display illumination system
US5146248A (en) * 1987-12-23 1992-09-08 North American Philips Corporation Light valve projection system with improved illumination
US4964025A (en) * 1988-10-05 1990-10-16 Hewlett-Packard Company Nonimaging light source
US5289356A (en) * 1991-07-19 1994-02-22 Nioptics Corporation Nonimaging optical illumination system
US5586013A (en) * 1991-07-19 1996-12-17 Minnesota Mining And Manufacturing Company Nonimaging optical illumination system
US5335152A (en) * 1991-10-11 1994-08-02 Nioptics Corporation Nonimaging optical illumination system
US5255171A (en) * 1991-11-27 1993-10-19 Clark L Douglas Colored light source providing intensification of initial source illumination
US5560700A (en) * 1992-01-31 1996-10-01 Massachusetts Institute Of Technology Light coupler
US5335158A (en) * 1992-05-21 1994-08-02 Eastman Kodak Company High efficiency linear light source
US5810469A (en) * 1993-03-26 1998-09-22 Weinreich; Steve Combination light concentrating and collimating device and light fixture and display screen employing the same
FR2710439B1 (en) * 1993-09-21 1995-11-24 Sextant Avionique Lighting module for liquid crystal array instruments.
US5899557A (en) * 1994-08-11 1999-05-04 Mcdermott; Kevin Multi-source lighting device
US5699201A (en) * 1995-03-27 1997-12-16 Hewlett-Packard Co. Low-profile, high-gain, wide-field-of-view, non-imaging optics
US6123436A (en) * 1997-08-05 2000-09-26 Vari-Lite, Inc. Optical device for modifying the angular and spatial distribution of illuminating energy
US6224237B1 (en) * 1998-04-16 2001-05-01 Honeywell International Inc. Structure for achieving a linear light source geometry
US6149283A (en) * 1998-12-09 2000-11-21 Rensselaer Polytechnic Institute (Rpi) LED lamp with reflector and multicolor adjuster
US6200002B1 (en) * 1999-03-26 2001-03-13 Philips Electronics North America Corp. Luminaire having a reflector for mixing light from a multi-color array of leds
US6257737B1 (en) * 1999-05-20 2001-07-10 Philips Electronics Na Low-profile luminaire having a reflector for mixing light from a multi-color linear array of LEDs
US6272269B1 (en) * 1999-11-16 2001-08-07 Dn Labs Inc. Optical fiber/waveguide illumination system
US6866404B2 (en) * 2001-04-23 2005-03-15 Ricoh Company, Ltd. Illumination apparatus and a liquid crystal projector using the illumination apparatus
US6637924B2 (en) 2000-11-15 2003-10-28 Teledyne Lighting And Display Products, Inc. Strip lighting apparatus and method
DE10064194B4 (en) * 2000-12-22 2006-12-07 Infineon Technologies Ag Power semiconductor module and heat sink for receiving the power semiconductor module
US7001058B2 (en) 2001-05-16 2006-02-21 Ben-Zion Inditsky Ultra-thin backlight
US6784603B2 (en) * 2001-07-20 2004-08-31 Teledyne Lighting And Display Products, Inc. Fluorescent lighting apparatus
US6465961B1 (en) * 2001-08-24 2002-10-15 Cao Group, Inc. Semiconductor light source using a heat sink with a plurality of panels
US7055987B2 (en) * 2001-09-13 2006-06-06 Lucea Ag LED-luminous panel and carrier plate
US6641284B2 (en) * 2002-02-21 2003-11-04 Whelen Engineering Company, Inc. LED light assembly
WO2003098711A1 (en) * 2002-05-17 2003-11-27 Ccs Inc. Light emitting diode and method for fabricating the same
WO2004055429A1 (en) * 2002-12-18 2004-07-01 Sharp Kabushiki Kaisha Light guide plate, illuminating device using same, area light source and display
US6871982B2 (en) * 2003-01-24 2005-03-29 Digital Optics International Corporation High-density illumination system
KR100804653B1 (en) * 2003-06-16 2008-02-20 미쓰비시덴키 가부시키가이샤 Planar light source device and display device using the same
EP1711739A4 (en) * 2004-01-28 2008-07-23 Tir Technology Lp Directly viewable luminaire
AT383544T (en) * 2004-05-14 2008-01-15 Fiat Ricerche Unit for the projection of a light bundle, an optical device for the unit, and vehicle front lighting device
US7333011B2 (en) 2004-07-06 2008-02-19 Honeywell International Inc. LED-based luminaire utilizing optical feedback color and intensity control scheme
JP5270160B2 (en) * 2004-09-24 2013-08-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Lighting system
US20060109397A1 (en) 2004-11-24 2006-05-25 Organic Lighting Technologies Llc Organic light emitting diode backlight inside LCD
US20060203511A1 (en) * 2005-03-09 2006-09-14 K-Bridge Electronics Co., Ltd. Incident assembly of light guide plate
JP2006286906A (en) * 2005-03-31 2006-10-19 Sony Corp Light emitting diode device and back-light apparatus and liquid crystal display apparatus using the same
FR2884899B1 (en) * 2005-04-21 2007-06-15 Valeo Vision Sa Lighting module providing a luminous beam with cut for a motor vehicle projector, and projector comprising such a module
JP4513759B2 (en) * 2005-04-27 2010-07-28 三菱電機株式会社 Surface light source device
KR100826401B1 (en) * 2005-12-02 2008-05-02 삼성전기주식회사 Led backlight apparatus
US8147081B2 (en) * 2007-12-26 2012-04-03 Lumination Llc Directional linear light source

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365962A (en) * 2000-08-01 2002-02-27 Visteon Global Tech Inc Collimating lamp with light pipes
JP2005123675A (en) * 2003-10-14 2005-05-12 Mitsubishi Electric Corp Illumination optical system of image reader
DE10353760A1 (en) * 2003-11-17 2005-06-23 Siemens Ag Display device, especially for use on flat visual display screens, has common elongated lens arranged after light sources in emitted light path to focus light from each source transversely with respect to lens's longitudinal axis
US20050243570A1 (en) * 2004-04-23 2005-11-03 Chaves Julio C Optical manifold for light-emitting diodes
WO2006033030A1 (en) * 2004-09-24 2006-03-30 Koninklijke Philips Electronics N.V. Illumination system
WO2006033029A1 (en) * 2004-09-24 2006-03-30 Koninklijke Philips Electronics N.V. Illumination system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009061352A1 *

Also Published As

Publication number Publication date
US20090122533A1 (en) 2009-05-14
WO2009061352A1 (en) 2009-05-14
US8746943B2 (en) 2014-06-10
EP2207993A1 (en) 2010-07-21

Similar Documents

Publication Publication Date Title
TWI316121B (en) Lamp
AP2846A (en) Light source
DE102007040444B8 (en) Led lamp
GB2465493B (en) Liquid-cooled LED lighting device
EP1978861A4 (en) Retractor illumination system
EP2278856A4 (en) Tubular led lighting device
AT510171T (en) Leds lamp
PL3051586T3 (en) Integrated led-based luminaire for general lighting
EP1853461A4 (en) Led headlamp system
EP2351464A4 (en) Distributed lighting control system
EP2232132A4 (en) Lighting device
EP2133854A4 (en) Light emitting device
EP2049365A4 (en) Illumination device
PL2304480T3 (en) Illumination device
EP2021688A4 (en) Lighting device
EP2336631A4 (en) Lighting device
EP2023414A4 (en) Led light source unit
AT535131T (en) Led system
EP1928030A4 (en) Led lighting apparatus
EP2219233A4 (en) Light emitting device
EP2168407A4 (en) Intelligent area lighting system
AU322403S (en) Lamp
EP2022077A4 (en) Plastic led bulb
GB2455049B (en) Low profile LED lighting
DE112008001660A5 (en) Linear LED lamp

Legal Events

Date Code Title Description
AK Designated contracting states:

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent to

Extension state: AL BA MK RS

17P Request for examination filed

Effective date: 20100504

DAX Request for extension of the european patent (to any country) deleted
RIC1 Classification (correction)

Ipc: F21S 4/00 20060101AFI20130731BHEP

A4 Despatch of supplementary search report

Effective date: 20130806

17Q First examination report

Effective date: 20151125

18D Deemed to be withdrawn

Effective date: 20180320